+ if (part->os_type != EFI_PMBR_OSTYPE_EFI_GPT)
+ goto invalid;
+
+ /* set to 0x00000001 (i.e., the LBA of the GPT Partition Header) */
+ if (le32_to_cpu(part->starting_lba) != GPT_PRIMARY_PARTITION_TABLE_LBA)
+ goto invalid;
+
+ if (le32_to_cpu(part->start_sector) != 1UL)
+ goto invalid;
+
+ return 1;
+invalid:
+ return 0;